The following table provides summary statistics for permanent job vacancies with a requirement for ISDN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISDN over the 3 months to 29 April 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
UK
3 months to
29 Apr 2017
Same period 2016 Same period 2015
Rank 797 852 898
Rank change year-on-year +55 +46  
Permanent jobs citing ISDN 83 116 88
As % of all permanent IT jobs advertised in the UK 0.095% 0.11% 0.079%
As % of the Communications & Networking category 0.60% 0.65% 0.43%
Number of salaries quoted 60 70 71
Median salary £45,000 £46,000 £39,000
Median salary % change year-on-year -2.17% +17.94%  
90% offered a salary of more than £24,000 £29,000 £27,600
10% offered a salary of more than £62,500 £60,000 £63,000
UK excluding London median salary £44,000 £37,250 £42,500
% change year-on-year +18.12% -12.35%  

ISDN is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
UK
Permanent job vacancies with a requirement for communications and computer networking skills 13891 17757 20272
As % of all permanent IT job vacancies advertised in the UK 15.93% 17.18% 18.26%
Number of salaries quoted 11283 14723 16086
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,500 £26,500 £27,500
10% offered a salary of more than £67,500 £67,500 £65,000
UK excluding London median salary £40,000 £42,500 £42,500
% change year-on-year -5.88% -  

ISDN
Job Vacancy Trend

The job posting trend of jobs advertised citing ISDN as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for ISDN in the UK

ISDN
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISDN.

Salary trend for ISDN in the UK

ISDN
Salary Histogram

The salary distribution of IT jobs citing ISDN over the 3 months to 29 April 2017.

Salary histogram for ISDN in the UK

ISDN
Top 30 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the UK over the 3 months to 29 April 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +55 78 £45,000 -2.17% 9
London +45 19 £54,000 -1.81% 3
Yorkshire - 14 £48,750 -
East of England -3 13 £47,500 +53.22% 3
South East +44 11 £43,000 -4.44%
Manchester -10 11 £22,500 -52.63%
North West -14 11 £22,500 -52.63% 1
West Yorkshire - 10 £50,000 -
West Midlands +24 7 £45,000 +80.00%
Hampshire +20 7 £41,000 -2.38%
Wakefield - 5 £47,500 -
Hertfordshire -6 4 - -
Leeds - 4 £50,000 -
Bedfordshire - 4 £62,000 - 2
Watford - 4 - -
Staffordshire +10 3 £30,500 +22.00%
Cambridgeshire - 3 £40,000 -
Cambridge - 3 £40,000 -
Altrincham - 3 £24,000 -
South West +18 2 - - 2
West Sussex +14 2 £62,500 +21.95%
Gatwick -8 2 £62,500 +19.04%
Lichfield - 2 £30,500 -
Portsmouth - 2 - -
Hereford - 2 £45,000 -
Birmingham - 2 £52,500 -
Herefordshire - 2 £45,000 -
Essex - 2 £59,375 - 1
North Yorkshire - 2 - -
Wiltshire - 2 - -

For the 6 months to 29 April 2017, IT jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for ISDN.

1 126 (65.28%) Cisco
2 105 (54.40%) LAN
3 96 (49.74%) WAN
4 83 (43.01%) Firewall
5 77 (39.90%) ITIL
6 69 (35.75%) Cisco Certification
7 65 (33.68%) Microsoft
8 64 (33.16%) VoIP
9 62 (32.12%) VPN
9 62 (32.12%) DNS
10 59 (30.57%) VMware
11 57 (29.53%) VMware Infrastructure
12 56 (29.02%) MS Exchange
13 55 (28.50%) DHCP
14 52 (26.94%) Wireless
15 51 (26.42%) Windows
16 49 (25.39%) MPLS
17 45 (23.32%) TCP/IP
17 45 (23.32%) CCNA
18 43 (22.28%) Skype for Business
19 42 (21.76%) Data Centre
20 41 (21.24%) Windows Server
20 41 (21.24%) Security Cleared
21 37 (19.17%) Cisco Nexus
21 37 (19.17%) CCNP
22 36 (18.65%) Active Directory
22 36 (18.65%) IPsec
22 36 (18.65%) SC Cleared
23 35 (18.13%) Office 365
23 35 (18.13%) Juniper

ISDN
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 56 (29.02%) MS Exchange
2 43 (22.28%) Skype for Business
3 15 (7.77%) Exchange Server 2010
4 14 (7.25%) IIS
4 14 (7.25%) SharePoint
5 13 (6.74%) Exchange Server 2007
6 10 (5.18%) Exchange Server 2013
7 7 (3.63%) Apache
8 1 (0.52%) Blackberry Enterprise Server
Applications
1 18 (9.33%) Microsoft Office
2 1 (0.52%) Acrobat
Business Applications
1 1 (0.52%) Cisco SocialMiner
1 1 (0.52%) Dynamics AX
Cloud Services
1 35 (18.13%) Office 365
2 11 (5.70%) Microsoft Azure
3 9 (4.66%) PaaS
4 8 (4.15%) Amazon AWS
Communications & Networking
1 105 (54.40%) LAN
2 96 (49.74%) WAN
3 83 (43.01%) Firewall
4 64 (33.16%) VoIP
5 62 (32.12%) DNS
5 62 (32.12%) VPN
6 55 (28.50%) DHCP
7 52 (26.94%) Wireless
8 49 (25.39%) MPLS
9 45 (23.32%) TCP/IP
10 37 (19.17%) Cisco Nexus
11 36 (18.65%) IPsec
12 33 (17.10%) Ethernet
13 32 (16.58%) PSTN
14 31 (16.06%) Cisco ASA
14 31 (16.06%) OSPF
14 31 (16.06%) Unified Communications
15 29 (15.03%) Network Security
16 28 (14.51%) SAN
16 28 (14.51%) VLAN
Database & Business Intelligence
1 23 (11.92%) SQL Server
2 14 (7.25%) SQL Server 2008
3 10 (5.18%) SQL Server 2005
3 10 (5.18%) SQL Server 2012
4 2 (1.04%) Amazon RDS
General
1 22 (11.40%) Finance
2 14 (7.25%) Telecoms
3 13 (6.74%) Retail
4 10 (5.18%) Military
5 4 (2.07%) Games
5 4 (2.07%) Manufacturing
6 2 (1.04%) French Language
Job Titles
1 57 (29.53%) Network Engineer
2 25 (12.95%) Analyst
2 25 (12.95%) Cisco Engineer
2 25 (12.95%) Cisco Network Engineer
3 23 (11.92%) Unified Communications Engineer
4 19 (9.84%) Lync Engineer
5 18 (9.33%) Active Directory Engineer
5 18 (9.33%) Senior Network Engineer
6 17 (8.81%) Infrastructure Support
7 15 (7.77%) Support Engineer
8 14 (7.25%) Exchange Engineer
9 13 (6.74%) Infrastructure Engineer
10 12 (6.22%) Network Analyst
10 12 (6.22%) Technical Engineer
11 11 (5.70%) Support Analyst
12 10 (5.18%) 3rd Line Engineer
12 10 (5.18%) 3rd Line Support
12 10 (5.18%) Network Security Engineer
12 10 (5.18%) Security Engineer
12 10 (5.18%) Switch Engineer
Libraries, Frameworks & Software Standards
1 18 (9.33%) 802.1X
2 12 (6.22%) XMPP
3 9 (4.66%) Web Services
4 1 (0.52%) .NET
4 1 (0.52%) ASP.NET
4 1 (0.52%) COM
4 1 (0.52%) CSS
4 1 (0.52%) XML
Miscellaneous
1 42 (21.76%) Data Centre
2 21 (10.88%) Video Conferencing
3 17 (8.81%) User Experience
3 17 (8.81%) Virtual Team
4 11 (5.70%) e-Health
5 10 (5.18%) Analytical Skills
5 10 (5.18%) Management Information System
6 9 (4.66%) Clustering
6 9 (4.66%) PKI
7 8 (4.15%) Driving Licence
8 7 (3.63%) CCTV
9 6 (3.11%) Replication
10 2 (1.04%) NHS
11 1 (0.52%) APACS
11 1 (0.52%) Blackberry
11 1 (0.52%) Chip and PIN
11 1 (0.52%) EMV
11 1 (0.52%) Handset
11 1 (0.52%) Mainframe
11 1 (0.52%) Tandem
Operating Systems
1 51 (26.42%) Windows
2 41 (21.24%) Windows Server
3 30 (15.54%) Linux
4 27 (13.99%) Windows Server 2012
5 22 (11.40%) Windows Server 2008
6 18 (9.33%) Unix
6 18 (9.33%) Windows Server 2003
7 9 (4.66%) Red Hat Enterprise Linux
8 7 (3.63%) Debian
9 6 (3.11%) Windows 7
10 2 (1.04%) Android
10 2 (1.04%) Apple iOS
10 2 (1.04%) Windows 8
10 2 (1.04%) Windows XP
11 1 (0.52%) Mac OS X
Processes & Methodologies
1 77 (39.90%) ITIL
2 30 (15.54%) Mentoring
3 25 (12.95%) Network Design
4 22 (11.40%) Load Balancing
5 19 (9.84%) Change Control
5 19 (9.84%) Time Management
6 15 (7.77%) Network Monitoring
6 15 (7.77%) Presales
7 14 (7.25%) Disaster Recovery
7 14 (7.25%) Incident Management
7 14 (7.25%) Service Delivery
8 13 (6.74%) Network Management
9 12 (6.22%) Adaptive Security
9 12 (6.22%) Coaching
10 11 (5.70%) Project Management
11 10 (5.18%) Technical Architecture
12 9 (4.66%) E-Commerce
13 8 (4.15%) Information Management
13 8 (4.15%) Infrastructure Management
13 8 (4.15%) Performance Monitoring
Programming Languages
1 14 (7.25%) SQL
2 7 (3.63%) C
3 2 (1.04%) Bash Shell
3 2 (1.04%) Perl
3 2 (1.04%) PowerShell
4 1 (0.52%) PHP
4 1 (0.52%) Python
4 1 (0.52%) VB.NET
Qualifications
1 69 (35.75%) Cisco Certification
2 45 (23.32%) CCNA
3 41 (21.24%) Security Cleared
4 37 (19.17%) CCNP
5 36 (18.65%) SC Cleared
6 14 (7.25%) Degree
7 13 (6.74%) DV Cleared
7 13 (6.74%) JNCIA
7 13 (6.74%) JNCIP
8 12 (6.22%) JNCIE
8 12 (6.22%) JNCIS
9 6 (3.11%) ITIL Certification
10 5 (2.59%) CCIE
11 3 (1.55%) MCSE
11 3 (1.55%) Microsoft Certification
11 3 (1.55%) VMware Certified Professional (VCP)
12 1 (0.52%) CCNP Voice
12 1 (0.52%) GCIH
12 1 (0.52%) GIAC
Quality Assurance & Compliance
1 17 (8.81%) PCI DSS
2 9 (4.66%) SLA
3 1 (0.52%) ISO 9001
3 1 (0.52%) ISO/IEC 27001
System Software
1 57 (29.53%) VMware Infrastructure
2 36 (18.65%) Active Directory
3 21 (10.88%) Hyper-V
4 14 (7.25%) VMware ESX
5 10 (5.18%) Terminal Services
5 10 (5.18%) Virtual Servers
5 10 (5.18%) XenApp
6 9 (4.66%) vSphere
7 7 (3.63%) iptables
7 7 (3.63%) pfSense
8 3 (1.55%) Microsoft Virtual Server
9 2 (1.04%) VMware ESXi
10 1 (0.52%) Firmware
10 1 (0.52%) ISA Server
Systems Management
1 26 (13.47%) Cisco CUCM
2 10 (5.18%) Cisco Prime
3 9 (4.66%) SolarWinds Orion
4 7 (3.63%) SCCM
4 7 (3.63%) SCOM
5 6 (3.11%) NetBackup
5 6 (3.11%) vCenter Server
6 5 (2.59%) Cisco UCCE
7 4 (2.07%) MobiControl
7 4 (2.07%) WSUS
8 2 (1.04%) Cisco UCCX
9 1 (0.52%) Backup Exec
9 1 (0.52%) Nagios
9 1 (0.52%) XenMobile
Vendors
1 126 (65.28%) Cisco
2 65 (33.68%) Microsoft
3 59 (30.57%) VMware
4 35 (18.13%) Juniper
5 29 (15.03%) F5
6 20 (10.36%) Sonus
7 18 (9.33%) Polycom
8 17 (8.81%) Mitel
8 17 (8.81%) SolarWinds
9 15 (7.77%) Citrix
9 15 (7.77%) HP
10 14 (7.25%) Barracuda Networks
10 14 (7.25%) CheckPoint
11 13 (6.74%) Avaya
12 12 (6.22%) Cyberoam
12 12 (6.22%) Palo Alto
13 10 (5.18%) Meraki
14 9 (4.66%) Dell Compellent
14 9 (4.66%) NetApp
14 9 (4.66%) Nimble Storage
London
Reed Technology
Salary: £50000 - £60000 per annum
Posted: Yesterday
Bristol, Avon
Computershare Investor Services
Salary: Competitive Salary + 25 Days Holiday + Share Plan
Posted: 2 days ago
Scotland
Sopra Steria Recruitment
Salary: From £22,000 to £25,470 per annum OTE £35,000
Posted: 3 days ago
Warrington, Cheshire
FT Select
Salary: From £30,000 to £40,000 per annum plus benefits
Posted: 5 days ago
Bristol, Avon
Redrock Consulting Ltd
Salary: £45000 - £50000 per annum + Benefits
Posted: 5 days ago
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Salary: £50000 - £65000.00 per annum + Benefits
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London
Marks Sattin
Salary: £45000 - £50000 per annum
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Salary: £50000.00 - £75000.00 per annum
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Bedfordshire
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Salary: £35000.00 - £45000.00 per annum
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